package structural.facade.custom.devices;

/**
 * 灯
 */
public class Light {

    public void on() {
        System.out.println("light on");
    }

    public void off() {
        System.out.println("light off");
    }

    public void brighten() {
        System.out.println("light brighten");
    }

    public void darken() {
        System.out.println("light darken");
    }
}
